What is CVE-2024-26977?

CVE-2024-26977 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-05-01.

How severe is CVE-2024-26977?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2024-26977

In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO mappings are leaked. Move the guard so we call iounmap() for MMIO mappings.

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 316e8d79a0959c302b0c462ab64b069599f10eef, 5.15, 0
Linux Linux_kernel — versions 5.15

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-26977?: CVE-2024-26977 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-05-01.
How severe is CVE-2024-26977?: Medium severity. CVSS v3 base score is 5.5 out of 10.